OpenTechnical

OT-2026-000079270

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000079270) never changes.

Identity and time

Publication numberOT-2026-000079270 · never reused
Internal UUID01a0ae96-0b90-7411-b7d2-2b9066a84bbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079270
StatusPUBLIC

Content hashes

Canonical text440d63df1aab16a874808d1738a5cdbd441fbf2346b1dbd7e7d3124e3e696616
Markdown9f7789dd7f7b1d36c251d55f6048fd9a01e6f1662d43603d32c896d2d652dd2d
PDF
Publication pagebbfc8029d9bd4cc10f9443794d734827fa6b1779a91c7f318e801477b0a1e38d
Manifest916d79e9272b46ce66e98c0b925ee20e3a09f33a98169b52f9e97400f8b5b180

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureDSyL5J94k4e8MEA+Tagnq4RUXRH7LSVdehIpiTgibvNSc2SntmQzTW+i+qbnMRMpNIk66fmq5DthaWTMP/tLCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:42.002008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079270
observed bbfc8029d9bd4cc10f9443794d734827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:41.983818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079270/manifest.json
observed 916d79e9272b46ce66e98c0b925ee20e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:41.933589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079270/publication.md
observed 9f7789dd7f7b1d36c251d55f6048fd9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:41.880803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079270/publication.txt
observed 440d63df1aab16a874808d1738a5cdbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.